@Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
    {
        try
        {
            // path是指欲下载的文件的路径。
            String path = "D:\\apps\\Resource\\bin\\android\\android.apk";
            File file = new File(path);
            // 取得文件名。
            String filename = file.getName();
            // 取得文件的后缀名。
            // String ext = filename.substring(filename.lastIndexOf(".") +
            // 1).toUpperCase();

            // 以流的形式下载文件。
            InputStream fis = new BufferedInputStream(new FileInputStream(file));
            byte[] buffer = new byte[fis.available()];
            fis.read(buffer);
            fis.close();
            // 清空response
//            response.reset();
            // 设置response的Header
            response.addHeader("Content-Disposition", "attachment;filename="
                    + new String(filename.getBytes("utf-8"), "utf-8"));
            response.addHeader("Content-Length", "" + file.length());
            OutputStream toClient = new BufferedOutputStream(response.getOutputStream());
            response.setContentType("application/octet-stream");
            toClient.write(buffer);  //这句手机访问的话就报错,错误在下面
            toClient.flush();
            toClient.close();
        }
        catch(IOException ex)
        {
            ex.printStackTrace();
        }

    }

ClientAbortException:  java.net.SocketException: Software caused connection abort: socket write error
    at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358)
    at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:354)
    at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:381)
    at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:370)
    at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)
    at java.io.BufferedOutputStream.write(BufferedOutputStream.java:105)
    at java.io.FilterOutputStream.write(FilterOutputStream.java:80)
    at com.entel.servlet.Servlet.doGet(Servlet.java:60)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.SocketException: Software caused connection abort: socket write error
    at java.net.SocketOutputStream.socketWrite0(Native Method)
    at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
    at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
    at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:741)
    at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:434)
    at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:349)
    at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:765)
    at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:118)
    at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:574)
    at org.apache.coyote.Response.doWrite(Response.java:560)
    at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:353)
    ... 21 more